docs: def _get_upserts(queryset, model_objs_updated, model_objs_created, unique_fields):
      """
      Given a list of model objects that were updated and model objects that were created,
      return the list of all model objects upserted. Doing this requires fetching all of
      the models created with bulk create (since django can't return bulk_create pks)
      """
      updated, created = _get_upserts_distinct(queryset, model_objs_updated, model_objs_created, unique_fields)
      return updated + created